It works well for business processes, e.g. here's one I did: capture credit application; do auto check for credit worthiness; do rules check for amount requested vs credit worthiness to trigger auto approve, auto reject or manual approval gate; submit save approved loan details to mainframe for money issuance.
The tools I used generated a system using storage-backed messaging between every step for reliability, and then I could plug in a UI or an integration where needed, and generating monitoring screens to illustrate where in the process things are, cycle times, etc etc.
If you use it like that, as a config language you can use to drive creation of other things, it can work well, and it's a pretty mature standard, so it can describe lots of possibilities.
The tools I used generated a system using storage-backed messaging between every step for reliability, and then I could plug in a UI or an integration where needed, and generating monitoring screens to illustrate where in the process things are, cycle times, etc etc.
If you use it like that, as a config language you can use to drive creation of other things, it can work well, and it's a pretty mature standard, so it can describe lots of possibilities.